Fix flags bug in open() and creat()
Fix flags bug in open() and creat()

O_EXCL && O_CREAT should cause EEXIST, not O_EXCL || O_CREAT.

eighthave/libsqlfs,spthaolt/libsqlfs,guardianproject/libsqlfs,spthaolt/libsqlfs,guardianproject/libsqlfs,guardianproject/libsqlfs,spthaolt/libsqlfs,eighthave/libsqlfs,eighthave/libsqlfs,spthaolt/libsqlfs,guardianproject/libsqlfs,eighthave/libsqlfs,spthaolt/libsqlfs,guardianproject/libsqlfs,eighthave/libsqlfs